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Finding the Fourth Proportional to 3,951.99, 5,922.30 and 2,903.76

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Solution

The fourth proportional to 3,951.99, 5,922.30 and 2,903.76 is: 4,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.99 : 5,922.30 = 2,903.76 : x
  2. Step 2: Convert to fraction form
    3,951.99/5,922.30 = 2,903.76/x
  3. Step 3: Cross multiply
    3,951.99x = 5,922.30 × 2,903.76
  4. Step 4: Simplify right side
    3,951.99x = 17,196,937.85
  5. Step 5: Solve for x
    x = 17,196,937.85/3,951.99
  6. Step 6: Final answer
    x = 4,351.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.